From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fan Li Subject: [PATCH] f2fs: save a multiplication for last_nid calculation Date: Thu, 02 Nov 2017 11:02:52 +0800 Message-ID: <000101d35387$2dec7d40$89c577c0$@samsung.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] helo=mx.sourceforge.net) by sfs-ml-2.v29.ch3.sourceforge.com with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.89) (envelope-from ) id 1eA5nI-0006F3-OT for linux-f2fs-devel@lists.sourceforge.net; Thu, 02 Nov 2017 03:03:48 +0000 Received: from mailout1.samsung.com ([203.254.224.24]) by sog-mx-1.v43.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.76) id 1eA5nG-0005Z5-O1 for linux-f2fs-devel@lists.sourceforge.net; Thu, 02 Nov 2017 03:03:48 +0000 Content-language: en-us List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net To: 'Chao Yu' , 'Jaegeuk Kim' Cc: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Use a slightly easier way to calculate last_nid. Signed-off-by: Fan li --- fs/f2fs/node.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 7834097..55ab330 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -2642,7 +2642,7 @@ static inline void load_free_nid_bitmap(struct f2fs_sb_info *sbi) __set_bit_le(i, nm_i->nat_block_bitmap); nid = i * NAT_ENTRY_PER_BLOCK; - last_nid = (i + 1) * NAT_ENTRY_PER_BLOCK; + last_nid = nid + NAT_ENTRY_PER_BLOCK; spin_lock(&NM_I(sbi)->nid_list_lock); for (; nid < last_nid; nid++) -- 2.7.4 ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot